Pickled pitaya peel food and preparation method thereof

The invention discloses a preparation method of a pickled pitaya peel food and the pitaya peel pickled food prepared by the preparation method. The pickled pitaya peel food is prepared by the following step: pickling pitaya peels by using a bran pickle seasoning solution prepared from rice bran, water, lactobacillus plantarum, Propionibacterium freudenreichii, yeast and 10-hydroxyoctadecenoic acid, wherein a component gamma-dodecalactone generated by the bran pickle vegetable seasoning solution is mixed with bitter free amino acids and bitter peptides generated by proteolysis of vegetable proteins, and bitter taste of the bitter peptides is covered by aromatic components of the gamma-dodecalactone, so that the purpose of debitterizing is achieved. 本发明公开了火龙果果皮腌制食品的制作方法以及由此方法制作而成的火龙果果皮腌制食品，其利用由米糠、水、植物乳杆菌、费氏丙酸杆菌、酵母以及10-羟基十八碳烯酸制作而成的麸皮腌菜调味溶液腌制火龙果果皮，通过麸皮腌菜调味溶液产生成分γ-十二内酯与植物蛋白水解产生的带有苦味的游离氨基酸及苦味肽混合，通过γ-十二内酯的芬芳成分掩盖苦味肽的苦涩味，达到脱苦的目的。